The Army have arrested five insurgents of NSCN (Khaplang) involved in the June 4 ambush of a military convoy in Manipur's Chandel district which killed 18 armed forces personnel, sources said on Thursday.

The central government is working sincerely towards a solution to the decades-old Naga political issue besides committing itself to development of the entire North East region, Prime Minister Narendra Modi said here on Thursday.

As Nagaland capital struggled to return to normalcy following the lynching of an alleged rapist, Chief Minister TR Zeliang said he felt that social media users played a role in the flare-up and warned people against spreading rumours.

The Arunachal Pradesh unit of BJP has demanded a constitutional amendment to delete the words "any Naga tribe" suffixed after the Nocte, Tangsa, Wancho, Tutsa and other tribes in the Scheduled Tribes list of the state.

Expressing concern over the recent developments in Naga underground politics, FNR today called upon the leaders of various underground groups by remaining committed to the ongoing Naga re-conciliation process.

No solution to the protracted Naga political conflict is possible, unless all the sections irrespective of their political affiliations reconcile and unite, the `commander-in-chief` of NSCN(K) armed wing Khole Konyak has said.